中国大学MOOC: The duty in duty-free refers to________ .
举一反三
- The "duty" in duty-free refers to________ . A: discounts B: tariffs C: interests D: bills
- Duty free and tax refund are totally the same.（ ）
- (2分:53秒-3分22秒）The duty of WHO refers that
- 中国大学MOOC: The duty manager provides the inquiry service at the bank.
- 中国大学MOOC: It is the speakers’ duty instead of that of the chairperson to introduce themselves.